KR20120023218A - Display device for 2d and 3d, 3d auxiliary device and optional display method - Google Patents

Abstract

PURPOSE: A 2D and 3D display device is provided to automatically convert the display mode by the state of a user. CONSTITUTION: A 2D output unit(150) makes a video display unit(170) being operated as a 2D panel. A 3D output unit(160) makes the video display unit being operated as a 3D panel. An image sensor(120) converts an optical video of a watching area into a reference video data. A control unit(140) determines the existence of a 3D auxiliary device within a watching available area by the analysis of the reference image data. The control unit controls the operation of the 2D output unit and the 3D output unit by the determination result.

Description

2D and 3D combined display device, 3D auxiliary device and optional display method {Display device for 2D and 3D, 3D auxiliary device and optional display method}

The present invention relates to a display device capable of selectively reproducing a two-dimensional image and a three-dimensional image by automatically switching modes, a 3D auxiliary device for assisting in viewing a three-dimensional image, and a selective display method.

Recently, with the development of display technology, display technology of 3D (3D) images has been attracting great attention, and various 3D image display methods have been studied.

In general, the 3D image may be implemented by the principle of stereo vision through the viewer's eyes. The binocular parallax, which appears because the eyes are about 65 mm apart, is the most important factor for realizing three-dimensional effects in three-dimensional images. The three-dimensional image display method using binocular disparity includes stereoscopy method of wearing glasses for displaying three-dimensional images such as red-blue glasses and shutter glasses, and three-dimensional images by separating left and right images without using glasses. There is an autostereoscopy method that displays. Autostereoscopic methods include, for example, a parallax barrier method and a lenticular method.

Meanwhile, in the current display market, high-quality two-dimensional (2D) flat panel displays (FPDs) are mainstream, and the three-dimensional image display market is not mature enough. In addition, the 3D image display device that can implement only 3D image price is expensive and yet 3D image content has not been actively supplied to satisfy the consumer's desire to purchase. Moreover, in order to meet the demands of viewers who want to view two-dimensional images as well as to view only three-dimensional images on the image display device, a two-dimensional and three-dimensional image display device has been developed and a three-dimensional image on the two-dimensional image display device. It plays a role in the process of moving to a display device.

In such a 2D and 3D video display device, switching to the 2D mode or the 3D mode is limited to the type of video content that the viewer must specify or display.

The above-described background technology is technical information that the inventor holds for the derivation of the present invention or acquired in the process of deriving the present invention, and can not necessarily be a known technology disclosed to the general public prior to the filing of the present invention.

The present invention is to provide a display device, a 3D auxiliary device and an optional display method for automatically switching to one of the 2D mode and the 3D mode according to the state of the viewer to provide an image output of the type desired by the viewer.

In addition, the present invention is a display device for controlling the image output in the 2D mode or 3D mode by grasping the state of the viewer through the interpretation of the image taken by the viewer or the signal received from the 3D auxiliary device worn / possessed by the viewer, To provide a 3D auxiliary device and an optional display method.

Other objects of the present invention will be readily understood through the following description.

According to an aspect of the present invention, disclosed is a display device for both 2D and 3D capable of the selective display of two-dimensional and three-dimensional image.

2D and 3D combined display device according to an embodiment includes an image input unit for receiving an image signal to be displayed; An image display unit operable as one of a 2D panel displaying a 2D image and a 3D panel displaying a 3D image; A 2D output unit for allowing the image display unit to operate as the 2D panel; A 3D output unit configured to allow the image display unit to operate as the 3D panel; An image sensor for capturing an optical image of a viewable area, converting the image into reference image data, and outputting the converted reference image data; And a controller configured to analyze the reference image data to determine the existence of the 3D auxiliary device in the viewable area, and to control one of the 2D output unit and the 3D output unit to operate according to a determination result. .

The apparatus may further include a storage unit in which device image information of the 3D auxiliary device is stored in advance, wherein the controller compares the image analysis information analyzing the reference image data and the device image information to the 3D auxiliary device in the image analysis information. It may be determined whether the same or similar shape as is present.

When the video signal inputted through the video input unit is a 2D video signal, the control unit operates the 3D output unit when it is determined that the 3D auxiliary device exists in the viewable area, and generates a predetermined signal with respect to the 2D video signal. Process the image to be converted into a 3D image signal and output to the image display unit, and if it is determined that the 3D auxiliary device is not present in the viewable area, operate the 2D output unit and transfer the 2D image signal to the image display unit. You can print

When the image signal input through the image input unit is a 3D image signal, the controller operates the 3D output unit and determines that the 3D auxiliary device exists in the viewable area, and transmits the 3D image signal to the image display unit. And outputs the 3D auxiliary device to the image display unit by converting the 2D output unit into a 2D image signal by performing a predetermined signal processing on the 3D image signal. You can print

When the image signal input through the image input unit is a stereoscopic type 3D image signal, the control unit operates the 3D output unit when it is determined that the 3D auxiliary device exists in the viewable area. Outputs a 3D image signal to the image display unit, and when it is determined that the 3D auxiliary device does not exist in the viewable area, operates the 3D output unit and performs a predetermined signal processing on the stereoscopic type 3D image signal. The 3D video signal may be converted into an autostereoscopic type 3D image signal and output to the image display unit.

According to another embodiment, a 2D and 3D display apparatus includes: an image input unit configured to receive an image signal to be displayed; An image display unit operable as one of a 2D panel displaying a 2D image and a 3D panel displaying a 3D image; A 2D output unit for allowing the image display unit to operate as the 2D panel; A 3D output unit configured to allow the image display unit to operate as the 3D panel; A communication unit receiving a status signal transmitted from the 3D auxiliary device; And a controller configured to analyze the state signal to determine whether the 3D auxiliary device is worn by a viewer, and to control one of the 2D output unit and the 3D output unit according to a determination result, wherein the 3D auxiliary device includes a viewer. The device sensing unit for detecting whether or not wearing, a device control unit for generating the status signal based on the detection result, and a device communication unit for transmitting the status signal by communicating with the communication unit Can be.

The apparatus may further include a storage unit in which device identification information of the 3D auxiliary device is stored in advance. The controller extracts identification information included in a header of the status signal and compares the identification information with the device identification information to authenticate the 3D auxiliary device. If the authentication is successful, the status signal may be analyzed to determine whether the viewer wears.

When the video signal inputted through the video input unit is a 2D video signal, the control unit operates the 3D output unit when it is determined that the viewer wears the 3D auxiliary device, and performs predetermined signal processing on the 2D video signal. Converts the image into a 3D image signal and outputs the image signal to the image display unit, and when the viewer determines that the 3D auxiliary device is not worn, operates the 2D output unit and outputs the 2D image signal to the image display unit. .

When the image signal inputted through the image input unit is a 3D image signal, the controller operates the 3D output unit and outputs the 3D image signal to the image display unit when it is determined that the viewer wears the 3D auxiliary device. When it is determined that the viewer is not wearing the 3D auxiliary device, the 2D output unit may be operated and predetermined signal processing may be performed on the 3D image signal to convert the 2D image signal into a 2D image signal and output the same to the image display unit. .

When the image signal input through the image input unit is a stereoscopic type 3D image signal, the control unit operates the 3D output unit when it is determined that the viewer wears the 3D auxiliary device, and the stereoscopic type 3D image. Outputs a signal to the image display unit, and if the viewer determines that the 3D auxiliary device is not worn, operates the 3D output unit and performs a predetermined signal processing on the stereoscopic type 3D image signal to autostereoscopic It can be converted into a three-dimensional image signal of the type and output to the image display unit.

On the other hand, according to another aspect of the present invention, a 3D auxiliary device for allowing a viewer to watch a 3D image, comprising: a device sensing unit for detecting whether the viewer is wearing; An apparatus controller configured to generate the status signal based on the detection result; And a device communication unit for transmitting the status signal.

The status signal may include identification information for identifying the 3D auxiliary device in a header.

The device controller may generate the state signal at predetermined intervals or when the wearing state of the user changes as a result of the detection.

Meanwhile, according to another aspect of the present invention, a method for selectively displaying a 2D image and a 3D image in a 2D and 3D display device and a recording medium having a program for performing the same are provided.

According to an exemplary embodiment, there is provided a display method including: receiving an image signal to be displayed by the display device of both 2D and 3D; Photographing a viewable area to generate reference image data; Analyzing the reference image data to determine whether a 3D auxiliary device is present; And determining an output mode of the 2D and 3D display device according to the determination result.

The determining may include generating image analysis information obtained by analyzing the reference image data; And comparing the image analysis information with device image information of the 3D auxiliary device stored in the storage unit. When the comparison result shows that the same or similar shape as that of the 3D auxiliary device is in the image analysis information, the 3D auxiliary device may be used. It may be determined to exist in the viewable area.

The determining of the output mode may include: when the input video signal is a 2D video signal, when it is determined that the 3D auxiliary device exists in the viewable area, the 2D video signal is 3D image by predetermined signal processing. The 2D video signal may be displayed when it is determined that the 3D auxiliary device is not present in the viewable area.

In the output mode determining step, when it is determined that the 3D auxiliary device exists in the viewable area when the input video signal is a 3D video signal, the 3D video signal is displayed. When it is determined that the image does not exist in the viewable area, the 3D video signal may be converted into a 2D video signal and displayed by a predetermined signal processing.

In the determining of the output mode, when it is determined that the 3D auxiliary device exists in the viewable area when the input video signal is a stereoscopic type 3D image signal, the stereoscopic type 3D image signal is displayed. If it is determined that the 3D auxiliary device does not exist in the viewable area, the stereoscopic type 3D image signal is converted into an autostereoscopic type 3D image signal and displayed by a predetermined signal processing. can do.

According to another exemplary embodiment, there is provided a display method comprising: receiving an image signal to be displayed on a display device of both 2D and 3D; Receiving a status signal from the 3D auxiliary device; Analyzing the status signal to determine whether the 3D auxiliary device is worn by a viewer; And determining an output mode of the 2D and 3D display device according to the determination result, wherein the 3D auxiliary device comprises a device sensing unit for detecting whether the viewer is worn, and the state based on the detection result. It may be characterized in that it comprises a device control unit for generating a signal, and a device communication unit for transmitting the status signal.

Extracting identification information included in a header of the status signal before the determining step; Comparing the identification information with device identification information of the 3D auxiliary device stored in a storage unit to perform authentication of the 3D auxiliary device, but if the authentication fails as a result of the authentication, the output mode is maintained. If the authentication is successful, the determination step and the determination step may be performed.

In the output mode determining step, when it is determined that the viewer wears the 3D auxiliary device when the input video signal is a 2D video signal, the 2D video signal is converted into a 3D video signal by predetermined signal processing. When the viewer is determined that the viewer is not wearing the 3D auxiliary device, the 2D video signal may be displayed.

The determining of the output mode may include displaying the 3D video signal when it is determined that the viewer wears the 3D auxiliary device when the input video signal is a 3D video signal. If it is determined that the user is not wearing the 3D video signal, the 3D video signal may be converted into a 2D video signal and displayed by a predetermined signal processing.

The determining of the output mode may include displaying the stereoscopic 3D video signal when it is determined that the viewer is wearing the 3D auxiliary device when the input video signal is the stereoscopic 3D video signal. When it is determined that the viewer is not wearing the 3D auxiliary device, the stereoscopic type 3D image signal may be converted into an autostereoscopic type 3D image signal and displayed by a predetermined signal processing.

Other aspects, features, and advantages will become apparent from the following drawings, claims, and detailed description of the invention.

According to the exemplary embodiment of the present invention, it is automatically switched to one of the 2D mode and the 3D mode according to the state of the viewer, thereby providing an image output of the type desired by the viewer.

In addition, it is possible to control the image output in the 2D mode or 3D mode by grasping the state of the viewer through the interpretation of the image taken by the viewer or the signal received from the 3D auxiliary device worn / possessed by the viewer.

1 is a view showing a schematic configuration of a 3D auxiliary device and 2D and 3D display device according to an embodiment of the present invention.
2 is a view showing a schematic configuration of a control unit according to an embodiment of the present invention.
3 is a flow chart of a selective display method of a two-dimensional image and a three-dimensional image according to an embodiment of the present invention.
4 is a view showing a schematic configuration of a 3D auxiliary device and 2D and 3D combined display device according to another embodiment of the present invention.
5 is a view showing a schematic configuration of a control unit according to an embodiment of the present invention.
6 is a flow chart of a selective display method of a two-dimensional image and a three-dimensional image according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The present invention is capable of various modifications and various embodiments, and specific embodiments are illustrated in the drawings and described in detail in the detailed description. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all transformations, equivalents, and substitutes included in the spirit and scope of the present invention. In the following description of the present invention, if it is determined that the detailed description of the related known technology may obscure the gist of the present invention, the detailed description thereof will be omitted.

The terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. As used herein, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, action, component, part, or combination thereof described on the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Also, the terms " part, "" module," and the like, which are described in the specification, refer to a unit for processing at least one function or operation, and may be implemented by hardware or software or a combination of hardware and software.

In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a view showing a schematic configuration of a 3D auxiliary device and a 2D and 3D display device according to an embodiment of the present invention, Figure 2 is a diagram showing a schematic configuration of a control unit according to an embodiment of the present invention .

Referring to FIG. 1, the display apparatus 100 for both 2D and 3D according to the present exemplary embodiment is a device capable of selectively displaying two-dimensional and three-dimensional images, and in particular, the presence of the 3D auxiliary device 10 worn by a viewer. The display device is switched according to the output mode (one of the 2D mode and 3D mode). Here, the 2D mode is an output mode for displaying a 2D image and the 3D mode for displaying a 3D image.

In addition, the 3D image refers to an image that allows the viewer to feel different perspective by inputting different images to the viewer's left and right eyes by the 3D auxiliary apparatus 10 to be described later. The 3D image may be displayed by a stereoscopic method or an autostereoscopic method.

In the case of the stereoscopic method, the left and right images are divided into left and right eyes by using red and blue glasses or shutter glasses. There are a red and blue glasses method for distinguishing left and right images by using a color difference, and a shutter glasses method for alternately displaying left and right images for a short time interval. In the case of the autostereoscopy method, the effect can be felt at a predetermined position, and the left and right images are separated and left and right eyes are separated by alternately arranging pixel rows displaying the left image and pixel rows displaying the right image on the liquid crystal panel. This is how you do it. Autostereoscopy methods include, for example, parallax barrier and lenticular methods.

The 3D auxiliary device 10 is a device that can be worn by the viewer, and is a device that assists in utilizing the 3D image such as watching a displayed 3D image or playing a game using the displayed 3D image. 3D glasses is a representative 3D auxiliary device 10, for example, red-blue glasses, shutter glasses and the like can be used for viewing 3D images and the like as described above.

In the present specification, it is assumed that the 3D auxiliary device 10 is 3D glasses, but the scope of the present invention is not limited thereto, and the 3D auxiliary device may be a 3D helmet or a viewer worn on the head of the viewer. It could be your 3D joystick, etc.

The 2D and 3D display apparatus 100 may include an image input unit 110, an image sensor 120, a storage unit 130, a controller 140, a 2D output unit 150, a 3D output unit 160, and an image display unit ( 170).

The image input unit 110 receives an image signal to be displayed on the 2D and 3D display device 100.

The image input unit 110 is connected to the TV signal receiving unit 112 for receiving an external TV signal through, for example, an antenna, a cable, etc., so that the TV signal can be input as an image signal.

Alternatively, the interface unit 114 is connected to the image input unit 110 and has a video data storage and playback function such as a computer, a PMP, an MP3 player, or the like, or has a video data storage function such as an external hard disk or a USB memory. The video signal may be received from an external device. The interface unit 114 may include, for example, a signal transmission interface such as HDMI (High Definition Multimedia Interface), D-SUB (D-subminiature), DVI (Digital Video Interactive), or USB (Universal Serial Bus).

The image sensor 120 converts an optical image photographing a predetermined area transmitted through the lens into an electrical signal and outputs the reference image data. The predetermined area is an area where the 2D and 3D display device 100 can be viewed (eg, a front area), and is an area where the viewer is expected to be located.

An image signal processor (ISP) is provided between the image sensor 120 and the controller 140 to perform predetermined signal processing. Signal processing performed in the image signal processor may include black level compensation, noise reduction, lens shading compensation, color interpolation, and the like.

The storage unit 130 stores device information about the 3D auxiliary device 10 that can be used to view a 3D image displayed on the 2D and 3D display device 100. Here, the device information may be device image information indicating the shape of the 3D auxiliary device 10.

The device information for the available 3D auxiliary device 10 may be stored in advance by the manufacturer or updated by the viewer. For example, device information on the 3D auxiliary device 10 that can be used in the 2D and 3D display device 100 may be downloaded from the homepage of the manufacturer and stored in the storage unit 130. Alternatively, by using the image sensor 120 when the viewer uses the new 3D auxiliary device purchased by the viewer, the device image information for the 3D auxiliary device is generated and newly stored in the storage unit 130 to register the device. Could be

The controller 140 analyzes the reference image data input from the image sensor 120 to determine the existence of the 3D auxiliary device 10, and maintains or switches the image signal type according to the determination result, and the 2D output unit 150 or One of the 3D output units 160 generates and outputs a control signal for selectively operating.

Referring to FIG. 2, the controller 140 includes an image analyzer 142, a determiner 144, an image signal converter 146, and a control signal generator 148.

The image analyzer 142 may determine the shape of the subject in the corresponding reference image by using a predetermined image analysis technique (for example, an edge detection technique) on the reference image data input from the image sensor 120. Generates the analyzed image analysis information. Image analysis techniques for analyzing points, lines, edges, etc. in the reference image data by using characteristic information of each pixel constituting the reference image data (for example, one or more of brightness, brightness, brightness, etc.) As it is obvious to the user, description thereof will be omitted.

The determination unit 144 compares the device information of the 3D auxiliary device 10 stored in the storage unit 130 with the image analysis information generated by the image analyzer 142 to determine whether the 3D auxiliary device 10 exists in the reference image data. Judge. In more detail, the determination unit 144 may also determine whether the viewer is wearing the 3D auxiliary device 10.

In addition, when a plurality of viewers exist in the reference image data, the determination unit 144 determines that the 3D auxiliary device 10 exists when one or more viewers wear the 3D auxiliary device, and displays the 3D image. You can do that.

The image signal converter 146 maintains or switches the image signal type input from the image input unit 110 according to the determination result of the determination unit 144.

When the image signal input from the image input unit 110 is a two-dimensional image signal, when the determination unit 144 determines that the 3D auxiliary device 10 is present, the image signal converter 146 selects the image signal. The 3D video signal is converted into a 3D video signal according to the signal processing method and the video signal type is maintained when the 3D auxiliary device 10 does not exist.

A predetermined signal processing method for converting a 2D video signal into a 3D video signal is as follows. For example, the first rule (perspective by size) that defines an object in a two-dimensional image signal and makes a sense of perspective by using a large object near, and the background and foreground of the overlapping part by distinguishing overlapping parts between objects One or more of the second rule (perspective due to overlapping) to feel the perspective by using, and the third rule (perspective by sharpness) to calculate the sharpness between objects to make the sense of perspective by using the near object. By converting a 2D video signal by setting a rule as described above, conversion to a 3D video signal can be performed. Alternatively, a modified time difference (MTD) method may be used. The correction time difference method uses one image selected from among a plurality of previous frames as a frame paired with the current image of the 2D video signal. When a previous image selected as a frame paired with the current image is called a delayed image, the current image becomes either a left image or a right image, and the delay image becomes another one to be converted into a 3D image signal. Will be. Such a method of converting a 2D video signal into a 3D video signal is just one embodiment, and various methods may be applied in addition.

When the image signal input from the image input unit 110 is a 3D image signal, when the determination unit 144 determines that the 3D auxiliary device 10 exists, the image signal converter 146 maintains the image signal type. If the 3D auxiliary apparatus 10 does not exist, the 3D auxiliary apparatus 10 converts the 2D image signal according to a predetermined signal processing method.

A predetermined signal processing method for converting a 3D video signal into a 2D video signal is as follows. For example, the 3D image signal is composed of sub image signals corresponding to a left eye image and a right eye image, and only one of a sub image signal corresponding to a left eye image or a sub image signal corresponding to a right eye image is selected and output. By doing so, the corresponding 3D video signal may be converted into a 2D video signal. Such a method of converting a 3D video signal into a 2D video signal is just one embodiment, and various methods may be applied in addition to the above.

Also, if the image signal input from the image input unit 110 is a stereoscopic type 3D image signal, the determination unit 144 determines that the 3D auxiliary device 10 does not exist. ) May be converted into an autostereoscopic type three-dimensional image signal that enables display of the three-dimensional image without the 3D auxiliary apparatus 10.

The control signal generator 148 operates the 3D output unit 160 to display a 3D image when it is determined that the 3D auxiliary device 10 exists according to the determination result of the determination unit 144. Generates and outputs a control signal, and if it is determined that the 3D auxiliary device 10 does not exist, generates and outputs a control signal for operating the 2D output unit 150 to display a 2D image.

As described above, when the 3D image signal is converted into an autostereoscopic type 3D image signal as described above, the control signal generator 148 operates the 3D output unit 160 to operate the 3D autostereoscopic type 3 signal. The control signal for displaying the 3D image signal may be generated and output.

Referring back to FIG. 1, the 2D output unit 150 controls the image display unit 170 to operate the image display unit 170 as a 2D panel when the output mode of the 2D and 3D display apparatus 100 is set to the 2D mode. do.

The 3D output unit 160 controls the image display unit 170 so that the image display unit 170 operates as a 3D panel when the output mode of the 2D and 3D display apparatus 100 is set to the 3D mode. In addition, the 3D output unit 160 may perform a function required for displaying a 3D image, for example, image acceleration, adding a stereo effect, and the like.

The video display unit 170 displays the video signal according to the output mode which is set or changed in order to be viewed by the viewer. The image display unit 170 is a panel operable both as a 2D panel for displaying a two-dimensional image and a 3D panel for displaying a three-dimensional image, and consists of components such as a liquid crystal panel, a liquid crystal shutter, a light source, and the like. The operation is controlled by the 2D output unit 150 and the 3D output unit 160 to operate as a 2D panel or a 3D panel.

When operating as a 2D panel displays a 2D video signal, when operating as a 3D panel displays a 3D video signal. When operating as a 3D panel, the 3D video signal to be displayed may be one of a stereoscopic type and an autostereoscopic type.

A method of selectively displaying a 2D image and a 3D image in the 2D and 3D display apparatus 100 will be described in detail with reference to the accompanying drawings.

3 is a flowchart illustrating a selective display method of a 2D image and a 3D image according to an embodiment of the present invention. Each step described below may be performed by respective internal components of the 2D and 3D display device 100.

Referring to FIG. 3, in operation S300, the 2D and 3D display apparatus 100 receives an image signal to be displayed through the 2D and 3D display apparatus 100. The image signal to be displayed may be at least one of a TV signal received through an antenna, a cable, or the like, or an image signal input from an external device having a video data storage function or a playback function through the interface unit 114.

In operation S310, reference image data of a predetermined region is generated by using the image sensor 120. The predetermined area is an area in which the image displayed by the 2D and 3D display device 100 can be viewed, and is an area where the viewer is expected to be located.

In operation S320, the controller 140 analyzes the reference image data to determine whether the 3D auxiliary device 10 is present. Analysis of the reference image data may be performed by a predetermined image analysis technique, and 3D having the same or similar shape in the image analysis information by using the device information of the 3D auxiliary device 10 stored in the storage 130. It may be determined whether the 3D auxiliary device 10 exists by checking whether the auxiliary device image exists.

If it is determined that the 3D auxiliary device 10 exists, the flow proceeds to step S330 and the output mode of the 2D and 3D display device 100 is set or switched in 3D mode.

In the 3D mode, the controller 140 converts the image signal input from the image input unit 110 into a 3D image signal and outputs the input image signal as it is in the case of a 3D image signal. In addition, the controller 140 operates the 3D output unit 160 to operate the image display unit 170 as a 3D panel so as to display a 3D image signal.

If it is determined that the 3D auxiliary device 10 does not exist, the flow proceeds to step S340 and the output mode of the 2D and 3D display device 100 is set or switched to the 2D mode.

In the 2D mode, the controller 140 converts the image signal input from the image input unit 110 into a 2D image signal and outputs the input image signal as it is in the case of a 2D image signal. In addition, the controller 140 operates the 2D output unit 150 to operate the image display unit 170 as a 2D panel so as to display a 2D image signal.

In another embodiment, when it is determined that the 3D auxiliary device 10 does not exist, the flow proceeds to step S350 where the output mode of the 2D and 3D display device 100 can be set or switched to an autostereoscopic type 3D mode. Can be.

In the 3D mode of the autostereoscopic type, the controller 140 converts the autostereoscopic type 3D image signal when the image signal input from the image input unit 110 is a 3D image signal. In addition, the controller 140 operates the 3D output unit 160 to operate the image display unit 170 as an autostereoscopic type 3D panel to enable display of an autostereoscopic type 3D image signal.

After a predetermined time has elapsed after being set or switched to the 2D mode or the 3D mode, the process returns to step S310 to repeat the process of step S310 or less. This is because the viewer shows a 2D image instead of the 3D image according to the changed current state when the viewer is not wearing the 3D auxiliary device 10 or changes the current state when the viewer wears the 3D auxiliary device 10 without wearing it. This is to show 3D image instead of 2D image according to the state.

In the above, the display apparatus and the mode switching method for switching the output mode according to the result of detecting the 3D auxiliary device worn by the viewer using the image sensor 120 have been described. Hereinafter, a description will be given focusing on a case in which the 3D auxiliary device includes a sensing unit that detects the viewer's wearing.

4 is a diagram illustrating a schematic configuration of a 3D auxiliary device and a 2D and 3D display device according to another embodiment of the present invention, and FIG. 5 is a diagram illustrating a schematic configuration of a controller according to an embodiment of the present invention. .

Referring to FIG. 4, the 2D and 3D combined display device 100 ′ according to the present exemplary embodiment has a selective display of 2D and 3D images similarly to the 2D and 3D combined display device 100 shown in FIG. 1. As a possible device, a display device in which an output mode (one of 2D mode and 3D mode) is switched according to whether the viewer wears the 3D auxiliary device 400.

The 3D auxiliary device 400 is a device which can be worn by a viewer, and is a device that assists in utilizing 3D images such as watching a displayed 3D image or playing a game using the displayed 3D image. 3D glasses is a representative 3D auxiliary device 400, for example, red-blue glasses, shutter glasses, etc. may be used for viewing 3D images and the like as described above.

The 3D auxiliary device 400 according to the present embodiment includes a device communication unit 410, a device control unit 420, and a device sensing unit 430 as shown in FIG. 4.

The device sensing unit 430 detects whether the 3D auxiliary device 400 is worn by the viewer in a predetermined manner. For example, when the device sensing unit 430 is a temperature sensor attached to a part (eg, near an earring of a 3D glasses, near a nose stand, etc.) in contact with the skin when worn by the viewer, the viewer according to the detected temperature change Can be detected. In addition, when the device sensing unit 430 is a small camera, it may detect whether the viewer is worn by recognizing a pupil shape existing within a predetermined distance from the small camera.

The device controller 420 generates a status signal indicating a current viewer's wearing state according to the result of analyzing the sensing value output from the device sensing unit 430 and operates the device communication unit 410 to transmit the status signal. In this case, the header of the status signal includes identification information for identifying the 3D auxiliary device 400 so as to determine the source of the status signal.

Here, the device controller 420 may generate and transmit a status signal at predetermined cycles. Alternatively, as a result of analyzing the sensing value, the device controller 420 may generate and transmit a state signal only when the viewer's wearing state changes.

The device communication unit 410 determines whether the device is operated by the device controller 420, and when the device is in the operating state, transmits a state signal to the 2D and 3D display device 100 ′ through wire or wireless communication. In the case of wireless communication, communication may be performed according to a short range wireless communication scheme such as Bluetooth, Wi-Fi, or the like.

According to the present embodiment, the 2D and 3D display apparatus 100 ′ according to the present embodiment includes an image input unit 110, a communication unit 180, a storage unit 130, a controller 190, a 2D output unit 150, and a 3D output unit 160. ), And an image display unit 170.

The image input unit 110 receives an image signal to be displayed on the 2D and 3D display device 100 ′. The video signal may be an external TV signal received by the TV signal receiver 112 or an image signal input from an external device having a video data storage function or a playback function input through the interface unit 114.

The communication unit 180 communicates with the device communication unit 410 of the 3D auxiliary device 400 described above, and receives the status signal transmitted from the device communication unit 410.

The storage unit 130 stores device information about the 3D auxiliary device 400 that can be used to view a 3D image displayed on the 2D and 3D display device 100 ′. Here, the device information may be identification information of the 3D auxiliary device 400 (eg, at least one of a device unique number, an ID, and the like).

The device information for the available 3D auxiliary device 400 may be stored in advance by the manufacturer or updated by the viewer. For example, device information on the 3D auxiliary device 400 that can be used in the 2D and 3D display device 100 ′ may be downloaded from the manufacturer's homepage and stored in the storage 130. Alternatively, the device may be newly registered in the storage 130 by registering the device using the communicator 180 for the new 3D auxiliary device purchased by the viewer for the first time.

The controller 190 determines the wearing state of the 3D auxiliary device 400 by analyzing the status signal received from the authenticated 3D auxiliary device 400 after authenticating the 3D auxiliary device 400 which has transmitted the status signal. According to the result, the control unit maintains or switches the image signal type and generates and outputs a control signal for selectively operating either the 2D output unit 150 or the 3D output unit 160.

Referring to FIG. 5, the controller 190 includes a device authenticator 192, a determiner 194, an image signal converter 196, and a control signal generator 198.

The device authentication unit 192 extracts identification information included in the header of the status signal received through the communication unit 180, compares the device information stored in the storage unit 130, and transmits the corresponding status signal to the 3D auxiliary device ( 400). When the identification information included in the header of the status signal is the same as one of the device information stored in the storage unit 130, it is determined by the authenticated 3D auxiliary device 400 to control the output mode according to the viewer's wearing state, If none of the device information stored in the storage unit 130 is the same, it is determined as an uncertified 3D auxiliary device 400 so that no other operation is performed.

The determination unit 194 analyzes the state signal to determine a viewer's wearing state of the 3D auxiliary device 400. In addition, when there are a plurality of 3D auxiliary devices 400, the determination unit 194 may determine that the viewer wears even one or more of the 3D auxiliary devices 400 to display a 3D image.

The image signal converter 196 maintains or converts the image signal type input from the image input unit 110 according to the determination result of the determination unit 194.

When the image signal input from the image input unit 110 is a 2D image signal, when the viewer wears the 3D auxiliary device 400 as a result of the determination by the determination unit 194, the image signal converter 196 may output the image signal. According to a predetermined signal processing method, the 3D image signal is converted and the image signal type is maintained when the 3D auxiliary device 400 is not worn. Since a predetermined signal processing method for converting a 2D video signal into a 3D video signal has been described above, the description thereof will be omitted.

When the image signal input from the image input unit 110 is a 3D image signal, when the viewer wears the 3D auxiliary device 400 as a result of the determination by the determination unit 194, the image signal converter 196 is an image signal type. If the viewer does not wear the 3D auxiliary device 400, the viewer converts the 2D video signal according to a predetermined signal processing method. Since a predetermined signal processing method for converting a 3D video signal into a 2D video signal has been described above, the description thereof will be omitted.

Also, if the image signal input from the image input unit 110 is a stereoscopic type 3D image signal, the determination unit 194 determines that the viewer does not wear the 3D auxiliary device 400. The 196 may convert the autostereoscopic type 3D image signal to display the 3D image without the 3D auxiliary device 400.

When it is determined that the viewer is wearing the 3D auxiliary device 400 according to the determination result of the determination unit 194, the control signal generator 198 may use the 3D output unit 160 to display a 3D image. Generates and outputs a control signal to operate, and generates and outputs a control signal for operating the 2D output unit 150 to display a 2D image when it is determined that the viewer is not wearing the 3D auxiliary device 400. do.

As described above, when the 3D image signal is converted into an autostereoscopic type 3D image signal as described above, the control signal generator 198 operates the 3D output unit 160 to generate an autostereoscopic type 3 signal. The control signal for displaying the 3D image signal may be generated and output.

Referring back to FIG. 4, when the output mode of the 2D and 3D display apparatus 100 ′ is set to the 2D mode, the 2D output unit 150 operates the image display unit 170 to operate as the 2D panel. To control.

The 3D output unit 160 controls the image display unit 170 to operate the image display unit 170 as a 3D panel when the output mode of the 2D and 3D display apparatus 100 ′ is set to the 3D mode. In addition, the 3D output unit 160 may perform a function required for displaying a 3D image, for example, image acceleration, adding a stereo effect, and the like.

The video display unit 170 displays the video signal according to the output mode which is set or changed in order to be viewed by the viewer. The image display unit 170 is a panel operable both as a 2D panel for displaying a two-dimensional image and a 3D panel for displaying a three-dimensional image, and consists of components such as a liquid crystal panel, a liquid crystal shutter, a light source, and the like. The operation is controlled by the 2D output unit 150 and the 3D output unit 160 to operate as a 2D panel or a 3D panel.

When operating as a 2D panel displays a 2D video signal, when operating as a 3D panel displays a 3D video signal. When operating as a 3D panel, the 3D video signal to be displayed may be one of a stereoscopic type and an autostereoscopic type.

A method of selectively displaying a 2D image and a 3D image in the 2D and 3D display apparatus 100 ′ will be described in detail with reference to the accompanying drawings.

6 is a flowchart illustrating a selective display method of a 2D image and a 3D image according to an embodiment of the present invention. Each step described below may be performed by respective internal components of the 2D and 3D display device 100 ′ shown in FIG. 4.

Referring to FIG. 6, in operation S600, the 2D and 3D display apparatus 100 ′ receives an image signal to be displayed through the 2D and 3D display apparatus 100 ′. The image signal to be displayed may be at least one of a TV signal received through an antenna, a cable, or the like, or an image signal input from an external device having a video data storage function or a playback function through the interface unit 114.

In operation S610, the controller 190 determines whether a status signal is received from the 3D auxiliary device 400 authenticated through the communication unit 180. The authentication can be confirmed by comparing the identification information included in the header of the status signal with the device information stored in the storage 130.

If the status signal is not received from the certified 3D auxiliary device 400, the process returns to step S610 while maintaining the current output mode. If the status signal is received from the certified 3D auxiliary device 400, the process proceeds to step S620.

In step S620, the controller 190 analyzes the status signal received through the communication unit 180 to determine whether the viewer is wearing.

If it is determined that the viewer wears the 3D auxiliary device 400, the process proceeds to step S630 and the output mode of the 2D and 3D display device 100 ′ is set or switched to the 3D mode.

In the 3D mode, the controller 190 converts the image signal input from the image input unit 110 into a 3D image signal and outputs the input image signal as it is in the case of a 3D image signal. In addition, the controller 190 operates the 3D output unit 160 to operate the image display unit 170 as a 3D panel to enable display of a 3D image signal.

If it is determined that the viewer is not wearing the 3D auxiliary device 400, the flow proceeds to step S640 and the output mode of the 2D and 3D display device 100 ′ is set or switched to the 2D mode.

In the 2D mode, the controller 190 converts the image signal input from the image input unit 110 into a 2D image signal and outputs the input image signal as it is in the case of a 2D image signal. In addition, the controller 190 operates the 2D output unit 150 to allow the image display unit 170 to operate as a 2D panel to display a 2D image signal.

In another embodiment, when it is determined that the viewer is not wearing the 3D auxiliary device 400, the process proceeds to step S650 and the output mode of the 2D and 3D display device 100 ′ is set to an autostereoscopic type 3D mode. Or can be switched.

In the 3D mode of the autostereoscopic type, the controller 190 converts the autostereoscopic type 3D image signal when the image signal input from the image input unit 110 is a 3D image signal. In addition, the controller 190 operates the 3D output unit 160 to operate the image display unit 170 as an autostereoscopic type 3D panel to enable display of an autostereoscopic type 3D image signal.

If a predetermined time has elapsed after being set or switched to the 2D mode or the 3D mode, the process returns to step S610 and repeats the steps S610 and below. This is because when the viewer wears the 3D auxiliary device 400 and does not wear it, the viewer shows a 2D image instead of the 3D image according to the changed current state, or when the viewer wears the 3D auxiliary device 400 and wears it. This is to show 3D image instead of 2D image according to the state.

The optional display method described above with reference to FIG. 3 or 6 is an automated procedure in time-series order by a 2D and 3D display device 100 or 100 ′, in particular a software program embedded in the controller 140 or 190. It is obvious that it may be performed by. The codes and code segments that make up the program can be easily deduced by a computer programmer in the field. In addition, the program is stored in a computer-readable information storage medium, and the program is read and executed by a computer to implement the method. The information storage medium includes a magnetic recording medium, an optical recording medium, and a carrier wave medium.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined in the following claims And changes may be made without departing from the spirit and scope of the invention.

10, 400: 3D auxiliary device
100, 100 ': display device for both 2D and 3D
110: video input unit
120: image sensor
130: storage unit
140, 190: control unit
150: 2D output
160: 3D output unit
170: video display unit
180: communication unit

Claims (24)

A 2D and 3D display device capable of selectively displaying two-dimensional and three-dimensional images,
An image input unit receiving an image signal to be displayed;
An image display unit operable as one of a 2D panel displaying a 2D image and a 3D panel displaying a 3D image;
A 2D output unit for allowing the image display unit to operate as the 2D panel;
A 3D output unit configured to allow the image display unit to operate as the 3D panel;
An image sensor for capturing an optical image of a viewable area, converting the image into reference image data, and outputting the converted reference image data; And
2D and 3D including a controller for analyzing the reference image data to determine the existence of the 3D auxiliary device in the viewable area, and to control the operation of one of the 2D output unit and the 3D output unit in accordance with the determination result Combined display device.
The method of claim 1,
The apparatus may further include a storage unit in which device image information of the 3D auxiliary device is stored in advance.
The controller compares the image analysis information analyzing the reference image data with the device image information to determine whether the same or similar shape as that of the 3D auxiliary device is present in the image analysis information. Display device.
The method of claim 1,
When the image signal input through the image input unit is a two-dimensional image signal,
If the 3D auxiliary device is determined to exist in the viewable area, the controller operates the 3D output unit, performs a predetermined signal processing on the 2D image signal, converts the 3D image signal to a 3D image signal, and outputs the image to the image display unit. ,
And displaying the two-dimensional image signal to the image display unit by operating the 2D output unit when it is determined that the 3D auxiliary device does not exist in the viewable area.
The method of claim 1,
When the image signal input through the image input unit is a three-dimensional image signal,
The control unit operates the 3D output unit and outputs the 3D image signal to the image display unit when it is determined that the 3D auxiliary device exists in the viewable area.
If it is determined that the 3D auxiliary device does not exist in the viewable area, the 2D output unit is operated and a predetermined signal processing is performed on the 3D image signal to convert the 2D image signal into a 2D image signal and output the image to the image display unit. 2D and 3D combined display device.
The method of claim 1,
When the image signal input through the image input unit is a stereoscopic type 3D image signal,
The control unit operates the 3D output unit when it is determined that the 3D auxiliary device exists in the viewable area, and outputs the stereoscopic type 3D image signal to the image display unit.
If it is determined that the 3D auxiliary device does not exist in the viewable area, the 3D output unit is operated, and a predetermined signal processing is performed on the stereoscopic type 3D image signal to generate an autostereoscopic type 3D image signal. 2D and 3D display device, characterized in that for converting and outputting to the image display unit.
A 2D and 3D display device capable of selectively displaying two-dimensional and three-dimensional images,
An image input unit receiving an image signal to be displayed;
An image display unit operable as one of a 2D panel displaying a 2D image and a 3D panel displaying a 3D image;
A 2D output unit for allowing the image display unit to operate as the 2D panel;
A 3D output unit configured to allow the image display unit to operate as the 3D panel;
A communication unit receiving a status signal transmitted from the 3D auxiliary device; And
And a controller configured to analyze the state signal to determine whether the 3D auxiliary device is worn by a viewer, and to control one of the 2D output unit and the 3D output unit according to a determination result.
The 3D auxiliary device includes a device sensing unit for detecting whether a viewer is worn, a device controller for generating the state signal based on the detection result, and a device communication unit for communicating with the communication unit to transmit the state signal. 2D and 3D combined display device comprising a.
The method of claim 6,
Further comprising a storage unit in which device identification information for the 3D auxiliary device is stored in advance,
The controller extracts identification information included in the header of the status signal, compares the identification information with the device identification information, performs authentication of the 3D auxiliary device, and if the authentication is successful, analyzes the status signal to determine whether the viewer is worn. 2D and 3D combined display device, characterized in that.
The method of claim 6,
When the image signal input through the image input unit is a two-dimensional image signal,
If the viewer determines that the viewer wears the 3D auxiliary device, the controller operates the 3D output unit, performs a predetermined signal processing on the 2D image signal, converts the 3D image signal to a 3D image signal, and outputs the converted 3D image signal to the image display unit.
2D and 3D display device, characterized in that for operating the 2D output unit and outputs the two-dimensional image signal to the image display unit when it is determined that the viewer is not wearing the 3D auxiliary device.
The method of claim 6,
When the image signal input through the image input unit is a three-dimensional image signal,
If the viewer determines that the viewer is wearing the 3D auxiliary device, the controller operates the 3D output unit and outputs the 3D image signal to the image display unit.
When it is determined that the viewer is not wearing the 3D auxiliary device, the 2D output unit is operated and a predetermined signal processing is performed on the 3D image signal to convert the 2D image signal into a 2D image signal and output the same to the image display unit. 2D and 3D combined display device.
The method of claim 6,
When the image signal input through the image input unit is a stereoscopic type 3D image signal,
When the controller determines that the viewer is wearing the 3D auxiliary device, the controller operates the 3D output unit and outputs the stereoscopic type 3D image signal to the image display unit.
When it is determined that the viewer is not wearing the 3D auxiliary device, the 3D output unit is operated, and a predetermined signal processing is performed on the stereoscopic type 3D image signal to convert to a 3D image signal of an autostereoscopic type. 2D and 3D display device characterized in that the output to the image display unit.
A 3D auxiliary device which allows a viewer to watch a 3D image.
A device sensing unit for detecting whether the viewer is worn;
An apparatus controller configured to generate the status signal based on the detection result; And
3D auxiliary device including a device communication unit for transmitting the status signal.
The method of claim 11,
The status signal is a 3D auxiliary device, characterized in that the identification information for identifying the 3D auxiliary device is included in the header.
The method of claim 11,
And the device controller generates the state signal at predetermined intervals or when the wearing state of the user changes as a result of the detection.
A method of selectively displaying two-dimensional and three-dimensional images in a 2D and 3D display device,
Receiving an image signal to be displayed by the 2D and 3D display device;
Photographing a viewable area to generate reference image data;
Analyzing the reference image data to determine whether a 3D auxiliary device is present; And
And determining an output mode of the 2D and 3D display device according to the determination result.
The method of claim 14,
Wherein,
Generating image analysis information obtained by analyzing the reference image data; And
Comparing the image analysis information with the device image information of the 3D auxiliary device stored in the storage,
And if it is determined that the same or similar shape as that of the 3D auxiliary device is in the image analysis information, the 3D auxiliary device is present in the viewable area.
The method of claim 14,
The output mode determination step,
When the input video signal is a two-dimensional video signal,
When it is determined that the 3D auxiliary device exists in the viewable area, the 2D video signal is converted into a 3D video signal by a predetermined signal processing and displayed.
And the 2D image signal is displayed when it is determined that the 3D auxiliary device is not present in the viewable area.
The method of claim 14,
The output mode determination step,
When the input video signal is a 3D video signal,
If it is determined that the 3D auxiliary device exists in the viewable area, the 3D video signal is displayed.
And if it is determined that the 3D auxiliary device does not exist in the viewable area, the 3D video signal is converted into a 2D video signal by a predetermined signal processing and displayed.
The method of claim 14,
The output mode determination step,
When the input video signal is a stereoscopic type 3D video signal,
When it is determined that the 3D auxiliary device exists in the viewable area, the 3D video signal of the stereoscopic type is displayed.
When it is determined that the 3D auxiliary device does not exist in the viewable area, the stereoscopic type 3D image signal is converted into an autostereoscopic type 3D image signal and displayed by a predetermined signal processing. Optional display method.
A method of selectively displaying two-dimensional and three-dimensional images in a 2D and 3D display device,
Receiving an image signal to be displayed by the 2D and 3D display device;
Receiving a status signal from the 3D auxiliary device;
Analyzing the status signal to determine whether the 3D auxiliary device is worn by a viewer; And
Determining an output mode of the 2D and 3D display device according to the determination result,
The 3D auxiliary device may include a device sensing unit detecting whether the viewer wears the device, a device control unit generating the state signal based on the detection result, and a device communication unit transmitting the state signal. Display method.
20. The method of claim 19,
Prior to the determining step,
Extracting identification information included in a header of the status signal;
Comparing the identification information with device identification information for the 3D auxiliary device stored in a storage unit to perform authentication on the 3D auxiliary device,
And if the authentication fails as a result of performing the authentication, the output mode is maintained, and if the authentication is successful as a result of the authentication, the determining step and the determining step are performed.
20. The method of claim 19,
The output mode determination step,
When the input video signal is a two-dimensional video signal,
When it is determined that the viewer is wearing the 3D auxiliary device, the 2D video signal is converted into a 3D video signal by a predetermined signal processing and displayed.
And displaying the 2D video signal when it is determined that the viewer is not wearing the 3D auxiliary device.
20. The method of claim 19,
The output mode determination step,
When the input video signal is a 3D video signal,
If it is determined that the viewer is wearing the 3D auxiliary device, the 3D video signal is displayed.
And if it is determined that the viewer is not wearing the 3D auxiliary device, the 3D video signal is converted into a 2D video signal and displayed by a predetermined signal processing.
20. The method of claim 19,
The output mode determination step,
When the input video signal is a stereoscopic type 3D video signal,
When it is determined that the viewer is wearing the 3D auxiliary device, the stereoscopic type 3D video signal is displayed.
When it is determined that the viewer is not wearing the 3D auxiliary device, the stereoscopic type 3D image signal is converted into an autostereoscopic type 3D image signal and displayed by a predetermined signal processing. Optional display method.
24. A recording medium on which a program of instructions, which can be executed by a digital processing apparatus, is tangibly embodied and can be read by the digital processing apparatus to perform the selective display method according to any one of claims 14 to 23.

Images